/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/Stack/NiagaraStackFunctionInput.h
Gets the path of parameter handles from the owning module to the function call which owns this input.
const [TArray](API\Runtime\Core\Containers\TArray)< [FNiagaraParameterHandle](API\Plugins\NiagaraEditor\ViewModels\Stack\FNiagaraParameterHandle) > & GetInputParameterHandlePath() const